Being Outdoors May Change the Way Your Brain Works, Study Says

Getting outside may not only change your perspective — it could actually alter the way your brain works in some unexpected ways, according to a small new study. “Your brain seems like it has to work harder and it’s less effective when it’s outside,” explains Kyle Mathewson, an assistant professor of psychology at the University of Alberta in Canada and the lead author of new research published in the journal Brain Research. For the study, Mathewson, along with graduate student Joanna Scanlon, monitored the brain activity of 12 people as they listened to a series of tones. Everyone was directed to press a button when they heard one of two sounds. This task was administered twice: first while sitting still inside a dim, quiet lab, then while riding a bike outside along a street. The goal was to see how the brain functions in the two environments, and if it’s changed by an everyday outdoor activity, like bike riding. They found, somewhat surprisingly, that while people were outside, their brains weren’t responding as robustly to the task at hand, perhaps because their attention was taxed by competing stimuli. A type of brain wave seen when the mind is at rest or meditating, which is commonly observed in the lab, all but disappeared in fresh air, Mathewson says. Outside, “there are traffic sounds, and the sights of traffic, and all these people around you, and trees and birds and the wind and the cold,” Mathewson says. &ldq...
Source: TIME: Health - Category: Consumer Health News Authors: Tags: Uncategorized bike riding Brain brain health cognition Exercise exercise brain benefits exercise brain health health benefits of nature healthytime Mental Health/Psychology onetime outdoors outside Research stationary bike Source Type: news

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ConclusionThe PET-only quantification method, CapAIBL, can produce reliable centiloid values. The bias observed in the AIBL dataset for 18F-NAV4694 and 18F-Florbetaben may indicate that using different scanners or reconstruction methods might require scanner-specific adjustments.
Source: NeuroImage - Category: Neuroscience Source Type: research
DiscussionWe applied a high-dimensional machine learning approach to estimate a novel AD risk factor for WHIMS-MRI study participants using ADNI data. The GM AD-PS scores showed strong associations with incident cognitive impairment and cross-sectional and longitudinal associations with age, cognitive function, cognitive status and WM SVID volume lending support to the ongoing validation of the GM AD-PS score.
Source: NeuroImage - Category: Neuroscience Source Type: research
Publication date: Available online 18 August 2018Source: Food HydrocolloidsAuthor(s): Wenmeng He, Wei Zhao, Ruijin YangAbstractA by-product of wheat wet processing, wheat gluten (WG) exhibits low solubility, which restricts its application as an emulsifier and a stabilizer in oil-in-water emulsions. WG modified by acetic acid, tartaric acid, and citric acid deamidation combined with heat treatment, can improve the solubility, surface hydrophobicity, as well as the emulsifying and foaming properties of the modified WGs (MWGs). The principal component analysis suggested the emulsifying and foaming properties of the citric ac...
Source: Food Hydrocolloids - Category: Food Science Source Type: research
Publication date: Available online 18 August 2018Source: Journal of Electroanalytical ChemistryAuthor(s): T.S. Sunil Kumar Naik, B.E. Kumara SwamyAbstractThe surface of glassy carbon electrode (GCE) was modified by electrochemical pre-treatment method and has been employed for the cyclic voltammetric determination of catechol (CC) in the presence of resorcinol (RS) in 0.2 M phosphate buffer solution (pH 7.4) with scan rate 50 mV s−1. The electrochemical oxidation of catechol (CC) and resorcinol (RS) was investigated by both cyclic voltammetry (CV) and differential pulse voltammetric (DPV) methods at pre-treat...
Source: Journal of Electroanalytical Chemistry - Category: Chemistry Source Type: research
Publication date: 5 January 2019Source: Journal of Alloys and Compounds, Volume 770Author(s): Chao Hu, Minjie Xu, Jun Zhang, Bonian Hu, Gang YuAbstractElectroless nickel/nickel-boron (Ni/Ni-B), Ni/alkaline Ni-P and Ni/acidic Ni-P double-layer coatings were deposited on AZ31 magnesium (Mg) alloy prepared by environmental fluoride-free solution under low temperatures. The morphologies, compositions, and crystal structures of three different double-layer coatings were characterized by field emission scanning electron microscopy (FESEM), energy dispersive X-ray spectroscopy (EDS) and X-ray diffraction (XRD), respectively. The ...
Source: Journal of Alloys and Compounds - Category: Chemistry Source Type: research
Publication date: Available online 18 August 2018Source: The Journal of Prosthetic DentistryAuthor(s): Wei Liu, Hai Qing, Xibo Pei, Jian WangAbstractStatement of problemSelective laser melting (SLM) has become popular in prosthetic dentistry. However, only limited information is available for the internal adaptation of cobalt-chromium (Co-Cr) posts fabricated by SLM.PurposeThe purpose of this in vitro study was to investigate the internal adaptation of Co-Cr metal posts fabricated by SLM technique.Material and methodsThirty-six Co-Cr metal posts were fabricated by conventional casting, subtractive computer-aided desig...
Source: The Journal of Prosthetic Dentistry - Category: Dentistry Source Type: research
Publication date: September 2018Source: IJC Heart &Vasculature, Volume 20Author(s): Michael P. Fletcher, Rachael O'Rourke, Niranjan Gaikwad, Darren L. Walters, Christian Hamilton-CraigAbstractBackgroundIt was hypothesized that the accuracy of coronary CT angiography would be affected by case volume of the referring sites.MethodsThe positive predictive value (PPV) of CTCA performed at a tertiary hospital specialising in cardiothoracic medicine and services with lower case-volumes were calculated. The tertiary hospital used as the high case-volume reference centre was The Prince Charles Hospital, which performed>1500 ...
Source: IJC Heart and Vasculature - Category: Cardiology Source Type: research
Publication date: Available online 18 August 2018Source: NeuroImageAuthor(s): Hongwei Li, Gongfa Jiang, Ruixuan Wang, Jianguo Zhang, Zhaolei Wang, Wei-Shi Zheng, Bjoern MenzeAbstractWhite matter hyperintensities (WMH) are commonly found in the brains of healthy elderly individuals and have been associated with various neurological and geriatric disorders. In this paper, we present a study using deep fully convolutional network and ensemble models to automatically detect such WMH using fluid attenuation inversion recovery (FLAIR) and T1 magnetic resonance (MR) scans. The algorithm was evaluated and ranked 1st in the WMH Seg...
Source: NeuroImage - Category: Neuroscience Source Type: research
ConclusionIntraoperative CT allows highly reliable navigation registration with low radiation exposure.
Source: Acta Neurochirurgica - Category: Neurosurgery Source Type: research
ConclusionIn this retrospective cohort study, we could conclude that a delay from initial diagnosis confirming a CSDH to surgical evacuation had no negative effect on outcome when surgery was performed within the time frames and on patients with pre-operatively favorable GCS scores ( ≥ 13) outlined in our study.
Source: Acta Neurochirurgica - Category: Neurosurgery Source Type: research
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